You have been scammed. Limewire Pro costs $18.88 and should Only be bought through the official Limewire site: www.limewire.com

Check out this thread to get your money back:

Get your $$$ BACK!!!(music members) - Link

And for more info on scamsites (Page 5 of this thread has a long list of known scamsites):

Membership? - **WARNING ** BEWARE** - Download p2p Clients ONLY Thru Official Sites - Link

(Edit: well looks like Wondering Why beat me to it) But mine is prettier